WO2008026275A1 - Process for producing pneumatic tire and pneumatic tire - Google Patents
Process for producing pneumatic tire and pneumatic tire Download PDFInfo
- Publication number
- WO2008026275A1 WO2008026275A1 PCT/JP2006/317194 JP2006317194W WO2008026275A1 WO 2008026275 A1 WO2008026275 A1 WO 2008026275A1 JP 2006317194 W JP2006317194 W JP 2006317194W WO 2008026275 A1 WO2008026275 A1 WO 2008026275A1
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- WO
- WIPO (PCT)
- Prior art keywords
- rubber
- region
- strip material
- rubber strip
- tire
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C19/00—Tyre parts or constructions not otherwise provided for
- B60C19/08—Electric-charge-dissipating arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/08—Building tyres
- B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
- B29D30/30—Applying the layers; Guiding or stretching the layers during application
- B29D30/3028—Applying the layers; Guiding or stretching the layers during application by feeding a continuous band and winding it helically, i.e. the band is fed while being advanced along the drum axis, to form an annular element
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/52—Unvulcanised treads, e.g. on used tyres; Retreading
- B29D30/58—Applying bands of rubber treads, i.e. applying camel backs
- B29D30/60—Applying bands of rubber treads, i.e. applying camel backs by winding narrow strips
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/0041—Tyre tread bands; Tread patterns; Anti-skid inserts comprising different tread rubber layers
- B60C11/005—Tyre tread bands; Tread patterns; Anti-skid inserts comprising different tread rubber layers with cap and base layers
- B60C11/0058—Tyre tread bands; Tread patterns; Anti-skid inserts comprising different tread rubber layers with cap and base layers with different cap rubber layers in the axial direction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/52—Unvulcanised treads, e.g. on used tyres; Retreading
- B29D2030/526—Unvulcanised treads, e.g. on used tyres; Retreading the tread comprising means for discharging the electrostatic charge, e.g. conductive elements or portions having conductivity higher than the tread rubber
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Definitions
- the present invention relates to a method for manufacturing a pneumatic tire having a charge removal function and a pneumatic tire.
- a tire in general, includes a plurality of tire rubber members and a plurality of reinforcing members mainly composed of cords.
- Each of the parts of the rubber part 2, the rubber part 2, the rubber part 3, the rubber part 4 of the rim strip, etc. is formed of a rubber member corresponding to the required characteristics, and these rubber members are carcass layers which are reinforcing parts including cords. 5.
- tire T1 is configured.
- the extruder force is continuously extruded through a die corresponding to the cross-sectional shape of each rubber member, and then cut to a fixed size.
- the intended rubber member was obtained.
- the rubber members are sequentially pasted on a rotary support such as a molding drum.
- the neutralization function is achieved by sequentially winding both rubber strips in a spiral along the tire circumferential direction so that non-conductive rubber strip materials and highly conductive rubber strip materials are alternately arranged.
- a method of forming a tread portion provided with a metal is proposed (for example, see Patent Document 1 below).
- the wrinkles on both sides of the tread portion in the tire width direction are the same in the tire width direction center of the tread portion.
- the non-conductive rubber strip material and the conductive rubber strip material are alternately arranged in the portion, but there are the following problems in forming such a tread portion by the above method.
- the non-conductive rubber strip material and the conductive rubber strip material are alternately wound on the drum so that the rubber strip materials are alternately arranged.
- the rotation of the drum In order to start supplying the highly conductive rubber strip material in the middle of the process, the rotation of the drum must be stopped, resulting in a problem that the manufacturing cycle time is significantly increased.
- Patent Document 1 JP 2004-338621 A
- the present invention has been made in view of the above problems, and an object thereof is to provide a pneumatic tire capable of low rolling resistance, easy to manufacture with a short manufacturing cycle time, and a manufacturing method thereof. To do.
- a method for manufacturing a pneumatic tire according to the present invention is the method for manufacturing a pneumatic tire in which a rubber strip material is spirally wound in the tire circumferential direction so as to form a tread portion.
- the area ratio of the first region with respect to the cross section of the rubber strip material is determined using an extruder that continuously molds the rubber strip material divided into the first region and the second region of non-conductive rubber force.
- the rubber strip material is wound around a drum while changing in the tire width direction.
- the rubber strip material whose section is divided into the first region having the conductive rubber force and the second region having the non-conductive rubber force is continuously formed by the extruder, and the rubber strip is formed. Since the material is wound on the drum, the area ratio of the first region that also has the conductive rubber force to fill the entire cross section of the rubber strip material without stopping the drum rotation during the winding operation of the rubber strip material is arbitrarily changed Without increasing the manufacturing cycle time
- a pneumatic tire in which conductive rubber is disposed in a part of the tread portion in the tire width direction can be manufactured.
- the first region constituting the cross section of the rubber strip material may be provided wider than the second region.
- the tread portion is formed from a plurality of layers of rubber strip material by folding back, the conductive rubber in the rubber strip material can be brought into contact with each layer in an intersecting state with certainty.
- the rubber strip material may be formed into a cross-sectional shape in which the width center portion force is also directed to both sides of the width to gradually reduce the thickness, thereby forming the tread portion with high accuracy.
- the width center portion force is also directed to both sides of the width to gradually reduce the thickness, thereby forming the tread portion with high accuracy.
- the rubber strip material may be molded so that the area ratio of the first region on both side portions in the tire width direction is larger than that in the center portion in the tire width direction.
- Another aspect of the present invention is a pneumatic tire in which at least a tire outer circumferential side partial force rubber strip material of a tread portion is spirally wound in a tire circumferential direction on a drum and partially wound.
- the cross section of the rubber strip material is divided into a first region also having conductive rubber force and a second region made of non-conductive rubber, and the area ratio of the first region to the cross section of the rubber strip material is in the tire width direction. It is characterized by changing.
- FIG. 1 shows an example of a pneumatic tire manufactured by a manufacturing method according to this embodiment.
- FIG. 2 is a cross-sectional view of a rubber strip material used in the manufacturing method.
- a pneumatic tire (hereinafter referred to as a tire) T1 manufactured in the present embodiment extends, for example, from a pair of bead portions 7 and bead portions 7 outward in the tire radial direction, as shown in FIG.
- a side wall portion 3 and a tread portion 2 provided between the side wall portions 3 are provided, and the bead portions 7 are reinforced by a carcass layer 5 having a carcass ply force.
- a belt layer 6 in which two inner liner parts 1 for holding air pressure and two belt plies are laminated on the inside and outside are arranged.
- the tread portion 2 includes shoulder portions 2a and 2a disposed on both sides in the tire width direction and a tread central portion 2b disposed between the shoulder portions 2a and 2a.
- the shoulder portion 2a and the tread central portion 2b are rubber.
- the strip material 10 is formed by being repeatedly wound.
- This rubber strip material 10 has a maximum thickness mainly in the central portion in the width direction, and gradually decreases in thickness from the central portion toward both side ends, for example, a flat cross-sectional shape, for example, a substantially crescent shape, a flat, generally triangular shape. It has a ribbon shape with a cross-sectional shape such as a shape or a flat substantially trapezoidal shape.
- the rubber strip material 10a forming the shoulder portions 2a, 2a has a conductive rubber region (first region) whose cross-section also has a conductive rubber material force. ) 12a and a non-conductive rubber region (second region) 14a made of a non-conductive rubber material.
- the conductive rubber region 12a is wider than the non-conductive rubber region 14a.
- the rubber strip material 10b forming the tread central portion 2b is composed of only the non-conductive rubber region (second region) 14b having a non-conductive rubber material force as shown in FIG. 2 (b). Does not have conductive rubber area.
- an example of the rubber strip material 10 used in the present embodiment is as follows.
- the rubber strip material 10 has a cross section of a width dimension W of 5 to 50 mm and a thickness dimension T1 of 0. It has a substantially crescent shape of 5 to 30 mm, and the thickness T 2 force of the conductive rubber region 12a of the rubber strip material 10a is 05-0.2mm.
- the size and shape of the rubber strip are not particularly limited to those described above, but the cross-sectional shape is preferably smaller from the viewpoint of the dimensional accuracy of the tread portion and the weight balance / uniformity of the tire.
- the conductive rubber material constituting the first region refers to a rubber composition exhibiting conductivity having a volume resistivity of less than 10 8 ⁇ 'cm, and includes, for example, a large amount of carbon black as a reinforcing agent. Examples include rubber yarns and adult products. In addition to carbon black, carbon fiber and carbon-based materials such as graphite, and metal-based known conductivity-imparting materials such as metal powders, metal oxides, metal flakes, and metal fibers are blended in a predetermined amount. Can do.
- the non-conductive rubber material constituting the second region refers to a non-conductive or insulating rubber composition having a volume resistivity of 10 8 ⁇ 'cm or more.
- carbon black as a reinforcing agent is used.
- a rubber composition in which silica is blended at a high ratio of 1 can be mentioned.
- the non-conductive rubber of the present embodiment contains 40 to LOO% of silica in a weight ratio.
- FIG. 3 is a diagram for explaining a method for forming the tread portion 2 by winding the rubber strip material 10 formed by the extruder 100
- FIG. 4 is for explaining a method for winding the rubber strip material 10 around the rotating support 120
- FIG. 5 is a cross-sectional view showing a method for forming the tread portion 2 using the rubber strip material 10.
- the tread portion 2 of the tire T is supported by a molding drum or a bead portion of a rubber strip material 10 extruded from an extruder 100 as shown in FIG. It is formed by winding on a rotating support 120 such as a Spotify tire (not shown).
- an extruder 100 for forming the rubber strip material 10 has a pair of main body cases each having a cylindrical shape and screw shafts 107 and 109 for feeding rubber inside. 102, 103 and a pair of head parts 104, 105 having a gear pump connected to the front end side of each of the main body cases 102, 103, and provided in common on the front end side of these head parts 104, 105 A rubber unit 106 and a molding die 108 attached to the tip of the rubber unit 106 are provided.
- the non-conductive rubber material Q2 is supplied from the hopper 110 into the main body case 102, and from the hopper 111 to the main body case 103. To supply conductive rubber material Q 1 to! Both rubber materials Q2 and Q1 supplied to the main body cases 102 and 103 are fed forward by the rotation of the screw shafts 107 and 109, and the rubber unit 106 Sent to.
- the rubber material Q1 and the rubber material Q2 are respectively molded into shapes corresponding to the conductive rubber region 12a and the non-conductive rubber region 14a, and these are combined to form the discharge port 10
- the cross-section of the conductive rubber region 12a and the non-conductive rubber region 14a is as shown in FIG. 2 (a) through the molding die 108 formed in a shape corresponding to the cross-sectional shape of the rubber strip material 10.
- the ribbon-shaped rubber strip material 10a partitioned in a continuous manner is extruded.
- Such an extruder 100 stops the operation of the screw shaft 109 and the gear pump 105 of the main body case 103 to which the conductive rubber material Q1 is supplied as well as the extrusion molding state force of the rubber strip material 10a, and the rubber united portion.
- the operation of the extruder 100 can be controlled by controlling the screw shaft 107 and the gear pump 104 of the other body case 102 to which the non-conductive rubber material Q2 is supplied so that the rubber material fed to 106 becomes a predetermined flow rate. Without stopping, the rubber strip material 10b having a force only in the non-conductive rubber region 14b is continuously extruded from the extruder 100.
- the screw shaft 109 and the gear pump 105 of the main body case 103 that has stopped rotating in the extruder 100 are rotated at a predetermined speed and fed to the rubber unit 106.
- the screw shaft 107 and the gear pump 104 of the other body case 102 to which the non-conductive rubber material Q2 is supplied so that the rubber material has a predetermined flow rate, the cross section can be reduced without stopping the operation of the extruder 100.
- the rubber strip material 10a partitioned into the conductive rubber region 12a and the non-conductive rubber region 14a is continuously extruded.
- the extruder 100 can stop the operation of the extruder 100 by controlling the flow rates of the conductive rubber material Q1 and the non-conductive rubber material Q2 fed to the rubber unit 106.
- two types of rubber strip materials 10a and 10b having different area ratios of the conductive rubber region occupying the cross section of the rubber strip material can be switched and molded at any timing.
- the rubber strip materials 10a and 10b extruded as described above are rotating supports while adjusting the cross-sectional shape of the rubber strip materials 10a and 10b extruded from the extruder 100 into a ribbon shape having a predetermined cross-sectional shape. It is wound on a rotary support 120 arranged opposite to the extruder 100 via a roll 114 that leads to 120.
- the rotating support 120 is rotatable around an axis 120a, and the rubber strip members 10a and 10b are wound around the tire circumferential direction while rotating the rotating support 120 in the K direction in FIG.
- the rubber strips 10a and 10b wound around the rotating support 120 are pressed against the winding surface 120b of the rotating support 120 by rollers 116. I will.
- FIG. 4 is a view of the rotary support 120 of the molding drum as viewed from above.
- the force arrow A corresponds to the tire circumferential direction
- the arrow B corresponds to the tire width direction (axial direction).
- either the extruder 100 or the rotary support 120 can be moved along the tire width direction by simply rotating the rotary support 120.
- the amount of overlap S between the adjacent rubber strip materials is adjusted by controlling the relative movement speed in the tire width direction B, and the rubber strip with respect to the claws 120b of the rotating support 120 is adjusted. Control is performed so that the inclination angle
- the operation control of the extruder 100 and the rotary support 120 is performed by the control device 130.
- the tread portion 2 is fed to the rubber unit 106.
- the screw shaft 107 and the gear pump 104 of the other body case 102 to which the non-conductive rubber material Q2 is supplied so that the rubber material to be supplied has a predetermined flow rate, as shown in FIG.
- Form rubber strip 10b and move it from the winding start position P1 at the center of the rotating support 120 corresponding to the center of the tread 2 to one end in the tire width direction (for example, right end) Wrap while letting.
- the shoulder portion 2a of the tread portion 2 is formed by winding while moving toward the other end portion (left end portion) in the right end force tire width direction.
- the formed shoulder portion 2a is formed by folding the rubber strip material 10a. Since the direction of the spiral is reversed before and after turning back, a portion where the rubber strip material 10a intersects occurs. At this intersection, the conductive rubber region 12a of each rubber strip material 10a before and after turning back is in contact with each other to form a conductive path 2c for removing electricity from the belt layer 6 below the tread portion 2 to the tread surface. Is done.
- the screw shafts 107, 109 and the gear pumps 104, 105 are moved as described above from the middle of the winding of the rubber strip material 10b.
- the rubber strip material 10a is extruded from the extruder 100 by controlling the extruder 100 so that the rubber materials Ql and Q2 fed to the rubber unit 106 after being rotated at a predetermined speed have a predetermined flow rate. Wrap it while moving it from the right side to the left side.
- the rubber strip material 10a reaches the left end, it is folded back to the tire outer peripheral side, and then the left side force is wound while moving to the right side to form the shoulder portion 2a of the tread portion 2.
- the formed shoulder portion 2a is in contact with the conductive rubber region 12a of each rubber strip material 10a before and after the folding, at the portion where the rubber strip material 10a intersects, as described above, so that the tread portion 2 A conductive path 2c is formed to remove electricity from the belt layer 6 at the bottom to the tread surface.
- the rubber strip material 10a reaches the position P5 corresponding to the tread central portion 2b, the rubber is removed from the extruder 100 by controlling the extruder 100 as described above from the winding of the rubber strip material 10a.
- the strip material 10b is supplied to the extruded rotary support 120 and wound while moving to the right, thereby forming the tread central portion 2b of the tread portion 2 to complete the tread portion 2.
- the area ratio of the conductive rubber region 12 in the cross section of the rubber strip material 10 is By winding the rubber strip materials 10a and 10b with the area ratio changed in the tire width direction so as to be large and wound on the rotating support 120, a conductive rubber material and a non-conductive rubber as shown in FIG. It is possible to form the tread portion 2 including the shoulder portion 2a to which the charge removing function is given as a material cover, and the tread central portion 2b having a non-conductive rubber material force between the shoulder portions 2a.
- the central portion of the rotary support 120 corresponding to the central portion of the tread portion 2 is used. Start winding, move toward one side in the tire width direction, wrap around to the tire outer periphery when it reaches one end, and then wind while moving toward the left end in the tire width direction When it reaches the other end, it is folded back to the outer periphery of the tire, then the left end force is moved to the right end in the tire width direction while moving toward the right end of the tire while wrapping to a position almost equal to the winding start position! Since the rubber strip material 10 is wound in a letter shape, the balance on both sides in the tire width direction can be improved.
- the rubber strip material 10a for molding the shoulder portion 2a having a constant area ratio of the conductive rubber region 12a in the cross section of the rubber strip material 10a.
- the area ratio of the conductive rubber region 12a occupying the cross section of the rubber strip material 10a may be reduced as the force toward the end in the tire width direction at the shoulder portion 2a. The amount used can be reduced, and a further low rolling resistance can be achieved.
- FIG. 6 is a cross-sectional view of a tire T2 manufactured by the manufacturing method according to this modified example.
- a base rubber portion 8 made of a conductive rubber material is disposed between the belt layer 6 and the tread portion 2. is there.
- symbol is attached
- Such a base rubber portion 8 should be formed on the winding surface 120b of the rotary support 120.
- the rubber strip material 10c extruded from the above-described extruder 100 is formed on the top part 6 by being lap-wrapped.
- the screw shaft 107 and the gear pump 104 of the main body case 102 for supplying the non-conductive rubber material Q2 to the rubber unit 106 are stopped, and the rubber of the extruder 100 is stopped.
- the extruder 100 can control the figure.
- a rubber strip material 10c having a force only in the conductive rubber region 12c as shown in Fig. 7 is continuously extruded.
- the rubber strip material 10c extruded from the extruder 100 starts to be wound from one side portion (for example, the right side portion) S1 in the tire width direction, and one end portion ( For example, it is wound while moving toward the right end).
- one side portion for example, the right side portion
- one end portion For example, it is wound while moving toward the right end.
- the rubber strip material 10c reaches the right end, it is folded back to the outer periphery of the tire, and then wound while moving to the left side of the right force.
- the rubber strip material 10c reaches the left end it is folded back to the tire outer periphery side, and then the base rubber portion 8 is formed by winding the left side force while moving to the right side.
- the force for forming the base rubber portion 8 by spirally winding the rubber strip material 10c around the belt layer 6 held on the winding surface 120b of the rotating support 120 for example, A base rubber member 8a formed to a predetermined length corresponding to the length in the tire width direction of the base rubber portion 8 is wound around the belt layer 6 held on the winding surface 120b of the rotating support 120, thereby wrapping the base rubber.
- the part 8 may be formed on the belt layer 6.
- the base rubber member 8a has a base 8b made of a non-conductive rubber material provided with a conductive rubber layer 8c electrically connected to the shoulder 2a of the tread portion 2.
- FIG. 1 is a cross-sectional view showing an example of a pneumatic tire manufactured by a manufacturing method according to the present embodiment.
- FIG. 2 is a cross-sectional view of a rubber strip material used in the manufacturing method according to the present embodiment.
- FIG.3 Method of forming tread part by wrapping rubber strip material formed by extruder
- ⁇ 4 It is a plan view for explaining a method of winding a rubber strip material.
- FIG. 5 is a cross-sectional view showing a method for forming a tread portion using a rubber strip material.
- FIG. 6 is a cross-sectional view showing an example of a pneumatic tire manufactured by a manufacturing method emphasizing a modified example.
- FIG. 7 is a cross-sectional view showing a method for forming a base rubber portion and a tread portion that are effective in a modified example.
- FIG. 8 is a cross-sectional view of a rubber strip material used for molding a base rubber part.
- FIG. 9 is a cross-sectional view of a base rubber portion and a tread portion that are useful for further modification.
- FIG. 10 is a cross-sectional view illustrating a method of winding a rubber strip material.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tyre Moulding (AREA)
- Tires In General (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112006004011T DE112006004011T5 (en) | 2006-08-31 | 2006-08-31 | A method of manufacturing a pneumatic tire and pneumatic tires |
US12/439,670 US8632649B2 (en) | 2006-08-31 | 2006-08-31 | Method of fabricating pneumatic tire and pneumatic tire |
PCT/JP2006/317194 WO2008026275A1 (en) | 2006-08-31 | 2006-08-31 | Process for producing pneumatic tire and pneumatic tire |
JP2008531930A JP4750853B2 (en) | 2006-08-31 | 2006-08-31 | Pneumatic tire manufacturing method |
PCT/JP2007/055275 WO2008026337A1 (en) | 2006-08-31 | 2007-03-15 | Pneumatic tire |
DE112007002042.3T DE112007002042B4 (en) | 2006-08-31 | 2007-03-15 | Manufacturing process for a pneumatic tire |
JP2008531969A JP4814327B2 (en) | 2006-08-31 | 2007-03-15 | Pneumatic tire manufacturing method |
US12/439,622 US8403013B2 (en) | 2006-08-31 | 2007-03-15 | Pneumatic tire |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2006/317194 WO2008026275A1 (en) | 2006-08-31 | 2006-08-31 | Process for producing pneumatic tire and pneumatic tire |
Publications (1)
Publication Number | Publication Date |
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WO2008026275A1 true WO2008026275A1 (en) | 2008-03-06 |
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ID=39135567
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2006/317194 WO2008026275A1 (en) | 2006-08-31 | 2006-08-31 | Process for producing pneumatic tire and pneumatic tire |
PCT/JP2007/055275 WO2008026337A1 (en) | 2006-08-31 | 2007-03-15 | Pneumatic tire |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2007/055275 WO2008026337A1 (en) | 2006-08-31 | 2007-03-15 | Pneumatic tire |
Country Status (4)
Country | Link |
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US (2) | US8632649B2 (en) |
JP (1) | JP4750853B2 (en) |
DE (2) | DE112006004011T5 (en) |
WO (2) | WO2008026275A1 (en) |
Cited By (5)
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JP2009161070A (en) * | 2008-01-08 | 2009-07-23 | Toyo Tire & Rubber Co Ltd | Pneumatic tire and its manufacturing method |
JP2012183656A (en) * | 2011-03-03 | 2012-09-27 | Toyo Tire & Rubber Co Ltd | Method of manufacturing pneumatic tire and pneumatic tire |
CN107531098A (en) * | 2015-04-29 | 2018-01-02 | 大陆轮胎德国有限公司 | Pneumatic vehicle tire with tyre surface |
JP2018103895A (en) * | 2016-12-27 | 2018-07-05 | 東洋ゴム工業株式会社 | Pneumatic tire |
JP2019081288A (en) * | 2017-10-30 | 2019-05-30 | 住友ゴム工業株式会社 | Method of manufacturing tire rubber member |
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ITMI20111320A1 (en) * | 2011-07-15 | 2013-01-16 | Pirelli | METHOD, PROCESS AND EQUIPMENT FOR PACKING TIRES FOR VEHICLE WHEELS |
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JP6061577B2 (en) * | 2011-12-19 | 2017-01-18 | 東洋ゴム工業株式会社 | Pneumatic tire and manufacturing method thereof |
JP5860339B2 (en) * | 2012-05-09 | 2016-02-16 | 住友ゴム工業株式会社 | Pneumatic tire |
JP6046951B2 (en) * | 2012-08-24 | 2016-12-21 | 東洋ゴム工業株式会社 | Pneumatic tire and method for manufacturing pneumatic tire |
JP6081153B2 (en) * | 2012-11-13 | 2017-02-15 | 東洋ゴム工業株式会社 | Pneumatic tire manufacturing method and pneumatic tire |
US20140138006A1 (en) * | 2012-11-22 | 2014-05-22 | Toyo Tire & Rubber Co., Ltd. | Pneumatic tire and manufacturing method of the same |
JP6091006B2 (en) * | 2013-09-30 | 2017-03-08 | 東洋ゴム工業株式会社 | Pneumatic tire manufacturing method and pneumatic tire |
DE102015207937A1 (en) | 2015-04-29 | 2016-11-03 | Continental Reifen Deutschland Gmbh | Pneumatic vehicle tire with a tread |
US11541691B2 (en) * | 2018-12-19 | 2023-01-03 | The Goodyear Tire & Rubber Company | Composite tread with targeted stiffness gradient and method of making |
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JP2004338621A (en) * | 2003-05-16 | 2004-12-02 | Toyo Tire & Rubber Co Ltd | Pneumatic tire and manufacturing method of the same |
JP2005041055A (en) * | 2003-07-25 | 2005-02-17 | Yokohama Rubber Co Ltd:The | Tire manufacturing method and tire manufactured thereby |
JP2006069341A (en) * | 2004-09-01 | 2006-03-16 | Sumitomo Rubber Ind Ltd | Pneumatic tire, manufacturing method of the same, and forming device of rubber strip wound body |
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US5725814A (en) * | 1995-06-07 | 1998-03-10 | Harrel, Inc. | Extrusion of an article of varying content |
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JPH11227415A (en) * | 1998-02-12 | 1999-08-24 | Bridgestone Corp | Pneumatic tire and manufacture thereof |
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DE602005010345D1 (en) * | 2004-08-26 | 2008-11-27 | Sumitomo Rubber Ind | Process for producing a pneumatic tire and tire made therewith |
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2006
- 2006-08-31 JP JP2008531930A patent/JP4750853B2/en active Active
- 2006-08-31 DE DE112006004011T patent/DE112006004011T5/en not_active Withdrawn
- 2006-08-31 WO PCT/JP2006/317194 patent/WO2008026275A1/en active Application Filing
- 2006-08-31 US US12/439,670 patent/US8632649B2/en active Active
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- 2007-03-15 DE DE112007002042.3T patent/DE112007002042B4/en active Active
- 2007-03-15 US US12/439,622 patent/US8403013B2/en active Active
- 2007-03-15 WO PCT/JP2007/055275 patent/WO2008026337A1/en active Application Filing
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JP2004338621A (en) * | 2003-05-16 | 2004-12-02 | Toyo Tire & Rubber Co Ltd | Pneumatic tire and manufacturing method of the same |
JP2005041055A (en) * | 2003-07-25 | 2005-02-17 | Yokohama Rubber Co Ltd:The | Tire manufacturing method and tire manufactured thereby |
JP2006069341A (en) * | 2004-09-01 | 2006-03-16 | Sumitomo Rubber Ind Ltd | Pneumatic tire, manufacturing method of the same, and forming device of rubber strip wound body |
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JP2009161070A (en) * | 2008-01-08 | 2009-07-23 | Toyo Tire & Rubber Co Ltd | Pneumatic tire and its manufacturing method |
JP2012183656A (en) * | 2011-03-03 | 2012-09-27 | Toyo Tire & Rubber Co Ltd | Method of manufacturing pneumatic tire and pneumatic tire |
CN107531098A (en) * | 2015-04-29 | 2018-01-02 | 大陆轮胎德国有限公司 | Pneumatic vehicle tire with tyre surface |
JP2018103895A (en) * | 2016-12-27 | 2018-07-05 | 東洋ゴム工業株式会社 | Pneumatic tire |
JP2019081288A (en) * | 2017-10-30 | 2019-05-30 | 住友ゴム工業株式会社 | Method of manufacturing tire rubber member |
Also Published As
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US20100012242A1 (en) | 2010-01-21 |
DE112006004011T5 (en) | 2009-07-23 |
DE112007002042B4 (en) | 2022-06-30 |
US8632649B2 (en) | 2014-01-21 |
WO2008026337A1 (en) | 2008-03-06 |
US8403013B2 (en) | 2013-03-26 |
DE112007002042T5 (en) | 2009-09-17 |
JP4750853B2 (en) | 2011-08-17 |
US20090314401A1 (en) | 2009-12-24 |
JPWO2008026275A1 (en) | 2010-01-14 |
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